collections {
   text_classes {
      text_class {
         name: "tc1";
         font: "Serif";
         size: 18;
      }
   }
   styles {
      style { name: "tb_style";
         base: "font=Sans font_size=20 color=#fff";
      }
      style { name: "tb_tc_style";
         base: "color=#ff0 text_class=tc1";
      }
      style { name: "tb_tc2_style";
         base: "color=#0ff text_class=tc2";
      }
   }
   group { name: "test_textblock";
      parts {
         part { name: "text";
            type: TEXTBLOCK;
            description { state: "default" 0.0;
               min: 300 300;
               text {
                  text: "Bye";
                  style: "tb_style";
               }
            }
         }
      }
   }
   group { name: "test_tc_textblock";
      parts {
         part { name: "tb";
            type: TEXTBLOCK;
            description { state: "default" 0.0;
               min: 300 300;
               text {
                  text: "Hello World";
                  style: "tb_tc_style";
               }
            }
         }
      }
   }
   group { name: "test_tc_textblock2";
      parts {
         part { name: "tb2";
            type: TEXTBLOCK;
            description { state: "default" 0.0;
               min: 300 300;
               text {
                  text: "Hello World";
                  style: "tb_tc2_style";
               }
            }
         }
      }
   }
}
